baber/WOPTO huggingface dataset:
Patent GB-927875-A (GB)
Title: Process for preparing prills containing calcium nitrate and ammonium nitrate
IPC: C05C1/02
Filed: 1960-09-16
Abstract: In the preparation of spherical particles containing calcium nitrate and ammonium nitrate by solidifying drops of a melt which contains calcium nitrate and ammonium nitrate in a molar ratio of from 4,5:1 to 9:1, the moisture content of the melt is reduced to 10 to 14% by weight by evaporation under conditions such that the melt contains crystals of anhydrous calcium nitrate with an average size of from 10m  to 110m .  The drops of melt are solidified by allowing them to fall into a liquid coolant, e.g. mineral oil.  The crystal size is controlled by adjusting the evaporation temperature and conditions of water vapour removal, and by adding to the melt strontium or barium compounds, e.g. strontium or barium nitrate, in amounts of at least 1 gram atom of strontium or barium to every 200 gram atoms of calcium. The particles so prepared have increased crushing strength.
Patent GB-1142010-A (GB)
Title: Improvements relating to filling devices
Inventor: BUSHROD CHARLES JAMES
IPC: H01M50/627
Filed: 1965-07-27
Abstract: 1,142,010. Topping-up device. ELECTRIC POWER STORAGE Ltd. 26 July, 1966 [27 July, 1965], No. 32019/65. Heading H1B. A filling device is incorporated in an electric battery, and comprises an airlock within a filling tube extended down into the container, the device having an inlet bowl, &c. extending into the filling tube through a liquid trap. In one form, each cell has a lid 10, and the usual vent plug is replaced by a filling plug having a filling tube 15. Liquid is supplied to a cup 27 at the top of the plug and passes through a liquid trap to run down inside the tube 15 to the battery cell. When the level of the liquid reaches the lower end of the tube 15, the air inside it is trapped. Air inside the cell but outside the tube 15 is vented to atmosphere through passages 20, 21. As the liquid level outside the tube 15 continues to rise, a backpressure is built-up inside the tube, ultimately preventing more liquid flowing in. T-pieces 35 and flexible pipes 38 connect the filling plugs, liquid being supplied to one end of the tube thus formed and surplus liquid collected at the other end. In one modification, a battery has a one-piece lid (41), Fig. 2 (not shown), formed with a filling tube comprised by a depending skirt (45) extending down into each cell, and also formed with a trough (50) along its top. Short pipes (47) extend down through the trough (50) to liquid traps (48) in each cell. In another modification, a battery has a one-piece moulded lid (61), Fig. 3 (not shown), formed on its under surface with a trough (62) from which depend filling tubes (63), one for each cell, with a liquid trap (64), &c. between each cell and the trough.
Patent GB-451695-A (GB)
Title: Improvements in and relating to self-tightening packing
IPC: F16K41/00
Filed: 1934-11-07
Abstract: 451,695. Piston and stuffing-box packing. DEUTSCH, F. A., 27, Rankestrasse, Berlin. Nov. 7, 1934, No. 32027. Void [Abridged as open to inspection under Sect. 91 of the Acts, May 8, 1935]. [Classes 122 (i) and 122 (v)] [See also Group XXXII] A cup packing 15 for pistons, reciprocating rods or rotary shafts is pressed on to its supporting surface by fluid pressure acting on a movable disc member 17 supported by a spring. The packing is shown as applied to the piston of a shock absorber. On the up-stroke of the piston 5, due to compression of car body springs, liquid passes from a chamber 10 through passages 11, 12 and a valve 14 into a chamber 6. During the return stroke the liquid is compressed in chamber 6 until the spring- loaded valve 7 lifts and permits return flow of liquid through a passage 9 into chamber 10.
Patent GB-476463-A (GB)
Title: Improvements in advertising devices
IPC: G09F13/12
Filed: 1936-11-23
Abstract: 476,463. Changing signs. ISLER, (nÚe UHLIG), O. Nov. 23, 1936, No. 32057. Convention date, Nov. 23, 1935. [Class 3 (i)] In compartmented display cabinets having a single translucent mirror fronting the whole of the compartments, direct light from the lamps in the compartments 3 is prevented from reaching the eye by opaque strips 5 extending along three sides of each compartment. The strips 5'may consist of frame slats, or be formed by painting on an independent pane, but are never part of the mirror 1. The lamps may be switched on in fortuitous sequence by flashing devices which may themselves be controlled by an automatically-winding clock. The cabinet may be provided with a barometer, clock, opticalprojector, automatic camera, radio receiver, notice-boards, card receptacles, &c. Specifications 213,529 and 228,759, [both in Class 3 (i)], are referred to.
Patent GB-1275432-A (GB)
Title: Axial piston hydraulic pump or motor
IPC: F03C1/253
Filed: 1969-06-25
Abstract: 1275432 Reciprocating pumps or motors CESSNA AIRCRAFT CO 25 June 1969 [26 July 1968] 32060/69 Heading F1A In a swash-plate pump or motor, a rotary cylinder block 17 is biassed against a ported valve face 19 by a force different from that biassing piston slippers 26 against a tiltable swash-plate 25. A spring 32 acts between a washer 34, abutting a snap ring 73 fixed to the cylinder block, and a washer 35 with radial extensions in grooves 41 abutting rods 37 transmitting the spring force to axially slidable nutating plate assembly 28, 29 engaging slippers 26, so that the slippers are subjected to the full force of spring 32. The force acting to bias cylinder block 17 against the valve face is reduced by a wave spring washer 38 acting between washer 34 and a washer 39 abutting a snap ring 40 fixed to the drive shaft 13. Hydrostatic bearings are formed between cylinder block 17 and valve surface 19, and between slippers 26 and swashplate member 27. In Fig. 4 (not shown), a resilient washer engaged by spring 32 is located in a stressed condition between snap ring abutments on the cylinder block and drive-shaft. In Fig. 5 (not shown), bores in the cylinder block facing the swash-plate accommodate springs acting between the cylinder block and a flange on nutating plate support 28, and a wave washer acts between snap rings on the cylinder block and drive shaft.
Patent GB-1479268-A (GB)
Title: Pharmaceutical compositions
IPC: C12N11/10
Filed: 1973-07-05
Abstract: 1479268 Pharmaceutical compositions BEECHAM GROUP Ltd 28 June 1974 [5 July 1973] 32071/73 Heading A5B [Also in Division C3] Water-soluble or water-dispersible complexes in which a proleolytic enzyme is covalently bound to a polymeric substance in an amount such that the weight ratio of polymer:enzyme is from 0.1 to 100:1, the complexes being purified and sterilized to render them suitable for injection into the bloodstream, may be used as fibrinolytic compositions. The enzyme may be trypsin, chymotrypsin, bromelain, papain, pronase or brinase. The polymer may be a dextran, a sucrose-epichlorhydrin copolymer, or a methyl vinyl ether-maleic anhydride copolymer. The complex may be dissolved in sterile or pyrogen-free water or crotonic saline.
Patent GB-954217-A (GB)
Title: Improvements in or relating to overwind arresters for use in skip and mine cage winding installations
IPC: B66B5/28
Filed: 1960-09-19
Abstract: 954,217. Overwind arrester gear for mine shafts. H. HITCHEN. Dec. 15, 1961 [Sept. 19, 1960], No. 32074/60. Headings B8B and B8L. [Also in Division F2] A mine cage A or the like is arrested in the event of an overwind by cables C which extend across the shaft between anchorages H and pass round pulleys E, mounted on the piston rods F of hydraulic piston- and-cylinder energy-absorbing devices G, and pulleys D mounted in the shaft. The flow of fluid displaced by the pistons of the devices G is controlled by a restriction or orifice whose magnitude varies in accordance with the linear displacement of the piston. As shown in Fig. 2, the orifice is formed by a tapered stem Q which is located within the hollow piston-rod F and which is secured to the endplate O of the cylinder, and a passage S is provided in the wall of the piston-rod F adjacent the piston T for the passage of hydraulic fluids. A passage M, Fig. 1, allows the free return of the hydraulic fluid to the upper part of the cylinder when the arrester returns to its unoperated condition. In a modification, Fig. 3 (not shown), the cylinder has a tapered bore and the piston is of constant diameter equal to the minimum internal diameter of the cylinder. In a further modification (not shown), a tapered channel is provided longitudinally in the inner wall of a normal piston and cylinder. The arrester device may also be employed at the bottom of the shaft.
Patent GB-1336326-A (GB)
Title: Phosphonium salts
IPC: C07C59/76
Filed: 1971-07-08
Abstract: 1336326 Cyclopentene derivatives F HOFFMANN-LA ROCHE & CO AG 8 July 1971 [10 July 1970] 4109/73 Headings C2P and C2C The invention comprises compounds of Formula I: where X<SP>11</SP> is acetyl (the carbonyl group of which may be ketalized), ethyl or methyl, Y is aryl or di-(C 1-6  alkyl)amino and Z is a halogen ion. Compounds of Formula I where X<SP>11</SP> is acetyl may be prepared from 5-[2-acetyl-5,5- dimethylcyclopent - 1 - en - 1 - yl] - 3 - methylpenta - 2,4 - dien - 1 - ol, in which the acetyl group is ketalized, for example with ethylene glycol, by brominating it and reacting the product with a triaryl or tri-(dialkylamino) phosphine, or by reacting the alcohol directly with triphenylphosphonium bromide in the presence of dimethylformamide. Compounds of Formula I in which X<SP>11</SP> is methyl or ethyl may be prepared by reacting the appropriate 4-(2- alkyl - 5,5 - dimethyl - cyclopent - 1 - en - 1 - yl)- but - 3 - en - 2 - one with acetylene to form a 5 - (2 - alkyl - 5,5 - dimethyl - cyclopent - 1 - en- 1 - yl) - 3 - hydroxy - 3 - methyl - penta - 4 - en- 1-yne, hydrogenating this product to form a 5- (2 - alkyl - 5,5 - dimethyl - cyclopent - 1 - en - 1- yl) - 3 - hydroxy - 3 - methyl - penta - 1,4 - diene, brominating this product with phosphorus tribromide to give a 5-(2-alkyl-5,5-dimethylcyclopent - 1 - en - 1 - yl) - 3 - methyl - penta- 2,4-dienyl bromide, and reacting this product with a triaryl or tri-(dialkylamino) phosphine.
Patent GB-153905-A (GB)
Title: Improvements relating to magneto electric ignition machines
IPC: H02K21/32
Filed: 1920-11-13
Abstract: 153,905. Bosch Akt.-Ges., R. Nov. 14, 1919, [Convention date]. Inductor machines; magneto-electric machines. - The leading edges c of the magnet pole-shoes of a magneto - electric ignition machine with a double-T armature are so far extended in the direction opposite to that of rotation of the armature or of a rotating sleeve that the armature field only gradually increases. The extension of the pole-shoe should be such that the overlap between the poleshoe and the armature when the armature is just leaving the edge of other magnet pole-shoe is from 10 to 30 degrees or more in a two-pole machine. The trailing-edges of the pole-shoes may be provided with toothed or stepped down extensions. The invention is also applied to machines in which a sleeve comprising segments is adjustable within the stationary pole-shoes. Specifications 7639/10 and 13705/11 are referred to.
Patent GB-1197809-A (GB)
Title: Method for Continuous Optical Resolution of Organic Racemates.
IPC: C07C51/487
Filed: 1968-07-05
Abstract: 1,197,809. Resolving racemates. NOGUCHI INSTITUTE. 5 July, 1968 [13 Feb., 1968], No. 32179/68. Heading C2C. [Also in Division B1] A racemate is continuously resolved by forming a suspension of one isomer in a supersaturated solution of the racemate, passing the suspension through a resolution tube for a limited period, and then separating grown crystals of the isomer. The suspension contains not more than 50% (based on racemate) of the isomer and the degree of supersaturation is not more than 160%. The resolution is carried out under such conditions that the negative of the tangent of the slope of the curve obtained by plotting the amount of racemate as ordinate against the amount of other isomer as abscissa during the process of resolution is not greater than 2.2. It is carried out for a period less than that at which purity of the crystals begins to fall. The suspension may be formed in any desired manner. In some cases, it is sufficient merely to cool a solution of the racemate. After formation of crystals of one isomer, solid racemate may be added to the mother liquor to form a further suspension which is treated as before for the formation of the other isomer. Racemates specified are threonine, asparagine, valine, acetyltryptophane, acetylglutamic acid, homocysteic acid, a-aminocaprolactam hydrochloride, chloroamphenicol, malic acid, and ammonium sodium tartrate.
Patent GB-735898-A (GB)
Title: A device for densifying material such as soil or concrete
IPC: B28B1/093
Filed: 1952-12-22
Abstract: One or more oscillation generators disposed within a land roller is or are mechanically operated by either a variable speed A.C. or D.C. motor with a Ward Leonard system of speed control or by an electromagnetic oscillation motor fed with sub-harmonics of the power supply frequency.  The roller is either towed by a tractor or a suitable cable haulage system, or a driving unit may be disposed within the roller.ALSO:In an apparatus for densifying concrete having an initially loaded concrete-engaging surface to which mechanical oscillations are imparted by one or more vibration generators, the frequency of the oscillations are continuously increased and decreased at a periodic rate so related to the forward advance of the apparatus that substantially all of the concrete is vibrated at its natural frequency.
Patent GB-761146-A (GB)
Title: Improvements relating to ironing boards and the like
Inventor: HOOD ROBERT TURNER
IPC: D06F81/00
Filed: 1953-11-24
Abstract: 761,146. Ironing boards. BRADLEY & CO., Ltd. Nov. 22, 1954 [Nov. 24, 1953], No. 32523/53. Class 52 (3). A folding ironing board comprising two longitudinal metal halves a, a<SP>1</SP> each having a downturned rim a<SP>2</SP> and joined together by hinges a<SP>4</SP>. When folded together the halves form a shallow box containing the legs. The front legs b are pivoted at the points b<SP>2</SP> to sheet metal bearings b<SP>3</SP> attached to the underside of the plates a, a<SP>1</SP> and are clipped together at b<SP>1</SP> so that when the table is opened, these legs pivot into position and when the table is closed they lie flat against the undersides of a, a<SP>1</SP>. The other legs are pivoted to bearings and are folded manually.
Patent GB-682782-A (GB)
Title: Improvements in or relating to calculating machines
IPC: G06F7/50
Filed: 1949-12-20
Abstract: 682,782. Calculating-apparatus. COMPAGNIE GENERALE DE TELEGRAPHIE SANS FIL. Dec. 20, 1949 [Jan. 14, 1949], No. 32652/49. Class 106 (i). A calculating-machine comprises a number of registers for separately registering each number to be added, means for operating each register in succession so that the digits in every column are transmitted in parallel to an adding device and means for storing cumulatively the resulting carry-overs of each column, the addition of the accumulated carry-overs to the adding device being made as the last step of the whole adding operation. For example, in the case of the addition of the numbers of the first 10 lines of the following table: the addition of the digits of the 3rd column gives a number comprising two digits, namely 45. The first digit on the right, namely 5, is registered on the 3rd column of the 11th register and the second digit, namely 4, is registered on the corresponding tens-carrying column. The same operation effected on all the columns gives the number 60581 for the 11th register and the number 44454 for the tenscarrying register. To obtain the final result, these two numbers are added together as shown. The arrangement illustrated in Fig. 1 is suitable for additions wherein the sum of the digits of a column is not a number of more than two digits. A first number is entered in a first register I having an electronic ring a for the unit digit, an electronic ring b for the tens digit and an electronic ring c for the hundreds digit, and so on. The figures registered on the rings of this first register are transferred by electrical impulses to corresponding rings in an Nth register. A second number is then entered on a second register, not shown, having electronic rings similar to those in the first register. The figures registered on this second register are also transferred by electrical impulses to the rings of the Nth register where they are added to the previous figures. The process is repeated until the (N - 1)th number has been transferred to the Nth register. Each time an electronic ring in the Nth register, such as d, passes over the figure 9, it transmits an impulse to an associated tens-carrying ring, such as g, to advance it by one unit. At the end of the above calculation the number that has been cumulatively stored in the tens-carrying register R is then transmitted by electrical impulses to the Nth register to obtain the final result. If the numbers to be added are such that a tens-carrying ring may exceed the figure 9 then (a) two tens-carrying rings such as e. g, Fig. 3, may be associated with each electronic ring in the Nth register, or (b) on a tens-carrying ring reaching the figure 9, means may be provided to automatically stop the addition of the digits in the columns whilst the number registered by the tens-carrying register is transferred to the " Nth " register, the addition of the digits in the columns then being continued as before.
Patent GB-1006992-A (GB)
Title: Improvements relating to a fluid-controlled bistable device
IPC: F15C3/08
Filed: 1964-08-11
Abstract: 1,006,992. Valves. INTERNATIONAL BUSINESS MACHINES CORPORATION. Aug. 11, 1964 [Aug. 29, 1963], No. 32657/64. Heading F2V [Also in Division G3] A fluid-controlled memory device, suitable for use with fluid amplifiers in a fluid computer, comprises a bi-stable reed 10 (Fig. 1) having a snap-action, the stable positions of the reed being those in which it contacts the two concave surfaces 12, 13 of chamber 11. In the position shown, fluid from a sense input opening 18 flows, via a restriction 20, to a sense output 22 to there denote that reed 10 is in its sealing position with respect to port 16, whereas fluid from a sense input opening 19 passes, via a restriction 21, to an exhaust opening 26, thereby denoting to sense output 23 that the reed is not in its sealing position with respect to port 17. To reverse the arrangement, fluid is admitted to an opening 27 and acts at port 24 on the reed to move it to its other stable position closing ports 17 and 25. Each of the openings 18, 19, 22, 23, 27 and 28 may be controlled by solenoid valves or, as shown, they may be associated with fluid amplifiers 30, 31, 40 In the embodiment of Fig. 3, one sense input port 50 is provided and two sense output ports 52, 53, actuation of the reed being achieved by admitting fluid to opening 54 or 55, the supply from which to the respective actuating port may comprise a check valve as shown in Fig. 4, in which reed 61 is biased to close the inlet 65 even when in contact with the opposite wall of the chamber 62. In other embodiments, the reed of Fig. 1 may be replaced by a circular diaphragm, the chamber may have two separate exhaust ports closable by the diaphragm, and the sense output openings may be connected at the point of restriction to create a suction at these points when the diaphragm allows flow from the sense input to exhaust. Specification 995,828 is referred to.
Patent GB-802722-A (GB)
Title: New and improved methods for degrading or depolymerising polysaccharides
IPC: A61K31/16
Filed: 1956-10-26
Abstract: A partially degraded polysaccharide is prepared by heating a neutral solution of a levan in an amide of a C1-4 fatty acid at 110-150 DEG C., preferably 120-135 DEG  C.  The levan may be untreated or may have been weakly degraded in the form of its adsorption product on an alkaline earth metal hydroxide (see Specification 802,721).  The amide may be N-alkylated.  Suitable amides include formamide, dimethyl formamide and dimethyl acetamide.  Preferably solutions having a levan content of 5-10 per cent are used.  The products are useful as plasma extenders and in providing aqueous colloidal dispersions for pharmaceutical and other uses.  In examples: (1) levan previously partially degraded by heating in methanol in the form of its adsorption product on Ca(OH)2 is degraded in dimethyl formamide solution rendered neutral with H3PO4; (2) and (3) levan is degraded in dimethyl formamide and formamide solution respectively.
Patent GB-162722-A (GB)
Title: Improvements in and connected with hay and the like cocking machines
IPC: A01D85/00
Filed: 1920-09-30
Abstract: 162,722. Makepeace, G. P., and Henderson, W. Sept. 30, 1920. Ratchet and like step-by-step conveyers and elevators.-In a machine, for cocking hay &c. the hay is delivered into a mould by an elevator consisting of a number of toothed bars mounted at both ends on cranks driven from the travelling wheels, swinging forks being provided to feed the hay to the elevator. The hay is pushed up an inclined trough j by tines m on two sets of bars n which are mounted on multiple cranks o simultaneously driven by chain gearing from the front wheels b. The cranks carrying the twosets of bars are arranged at 180‹ to one another. Swinging elbow links t are pivotally connected to the lower ends of the bars n and carry forks or prongs w which push the hay towards the tines m. Spring collecting-tines k are mounted on a shaft l behind the lower end of the elevator.
Patent GB-328105-A (GB)
Abstract: 328,105. Pedley, L. H., (trading as Regent Manufacturing Co.)..April 10, 1929. Pocket igniters, frictional.-In a gas lighter of the pistol type, the flint h is accommodated loosely in a tubular receptacle g<2> and is pressed against an abrasive member c<2> by a peg i<3> carried by a spring-pressed hinged arm i adapted to co-operate with the receptacle to form a stop for preventing the peg being further lowered into contact with the abrasive member when the flint has been worn away. The receptacle is preferably formed on the end of a fixed plate g and provided in the upper end with a recess g' for cooperating with an abutment c<5> on the arm i. Alternately, the arm may be cut away as indicated by the dotted line in Fig. 4, the peg i<3> being lengthened and the recess g' dispensed with. On operating the trigger e, the part c carrying the member c<2> is retracted until the pin e<3> is disengaged from the notch f when the member c<2> is returned by the spring d.
Patent GB-366139-A (GB)
Title: Improvements in or relating to life-jackets
IPC: B63C9/115
Filed: 1930-10-31
Abstract: A composition consisting of rubber 60 per cent, sulphur 25 per cent, hydrocarbon 6 per cent, calcined magnesium 3 per cent, ceresine 1 per cent, and colouring 5 per cent is placed in a mould, which is inserted in an autoclave to the jacket of which steam is gradually admitted at a pressure of 8 lbs., and the pressure of gas such as air or nitrogen injected into the mould is 180 atmospheres.  This temperature and pressure are maintained for 400 minutes, after which steam is shut off and the autoclave cooled by circulating water.  The material, which is now about six times its original bulk, is inserted into another and larger mould and heated again in a container, to the jacket of which steam is admitted, until its pressure is 85 lbs. This is maintained for 45 minutes.  The resultant material is not more than 5 lbs. per cubic foot in weight.  The colouring material may be replaced by additional rubber.